RT Journal Article SR Electronic T1 Options and Protective Strategies JF The Journal of Investing FD Institutional Investor Journals SP 16 OP 22 DO 10.3905/joi.1998.408456 VO 7 IS 2 A1 Arnott, Robert D YR 1998 UL http://joi.pm-research.com/content/7/2/16.abstract AB